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How to use NULL or empty string in SQL
I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks.
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intellij - spring is not being recognized (Unmapped Spring configuration)
I am using IntelliJ IDEA and all plugins for Spring are activated,
but when I load my Maven project I have the following error:
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Difference between CC, gcc and g++?
...t are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
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sql primary key and index
...x does no good, but the only harm (very small) is the additional file size and row-creation overhead.
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Get and set position with jQuery .offset()
How to get and set the position of an element with the jQuery .offset method?
5 Answers
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Why does the MongoDB Java driver use a random number generator in a conditional?
...he following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do?
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Extract filename and extension in Bash
I want to get the filename (without extension) and the extension separately.
37 Answers
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unsigned int vs. size_t
I notice that modern C and C++ code seems to use size_t instead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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Convert string with comma to integer
...ies. In Germany it means the number a little over one, instead of one thousand and something.
Corresponding Wikipedia article is at http://en.wikipedia.org/wiki/Decimal_mark. It seems to be poorly written at this time though. For example as a Chinese I'm not sure where does these description about ...
How to get unique device hardware id in Android? [duplicate]
How to get the unique device ID in Android which cannot be changed when performing a phone reset or OS update?
3 Answers
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